Hi, what's the current firmware version of your router? Is the 2.4GHz light on? Did you try a hard reset on the router? Is the 5G working?

Try this way? http://www.tp-link.com/en/faq-1090.html

151105 is very old one. Suggest you to upgrade to 160310 first, then upgrade to 160706. http://www.tp-link.com/en/download/Archer-MR200_V1.html#Firmware...

Make sure the device doing speedtest is with the highest priority and disconnect all other devices, stop other applications when testing the speed. Try at least 3 times in different at different...

TP-Link support it is planed to add system log in the web management page in the future, but don't know when.:confused:

Good idea! you can send a feedback to tp-link support. However, this is also related to a hardware part. It seems to be impossible to add this option for current hardware.